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Los Angeles County ADU rules

Los Angeles County encompasses a remarkable mix of coastal communities, urban centers, established suburbs, foothill neighborhoods, and growing inland areas. Explore ADU resources and individual jurisdiction pages from across this diverse region.

Los Angeles County

County rules

California

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Rules at a glance

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Incorporated cities inside Los Angeles County adopt their own ADU standards, so a property inside city limits follows that city's rules. County standards apply to the unincorporated areas.

Detailed applicable rules

Rules are grouped by topic. Open a topic for the answers, the conditions on them, and the official source each one came from. Each rule names the authority that set it: Statewide standard and Los Angeles County standard.

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62 rules

What can I build?

The kinds of accessory dwelling unit this jurisdiction recognises.10 rules
  • Detached ADU allowed

    Allowed

    Detached ADUs are authorized on the same lot as a proposed or existing primary dwelling.

    • Set by: Statewide standard
    • In force from: Effective
    Explanation

    Whether a detached, newly constructed ADU is permitted.

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(3)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(3)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Attached ADU allowed

    Allowed

    Attached ADUs are authorized.

    • Set by: Statewide standard
    • In force from: Effective
    Explanation

    Whether an ADU attached to the primary dwelling is permitted.

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(3)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(3)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Conversion ADU allowed

    Allowed

    Existing dwelling space and accessory structures, including garages, may be converted to ADUs.

    • Set by: Statewide standard
    • In force from: Effective
    Explanation

    Whether converting existing space, such as a garage or interior area, into an ADU is permitted.

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(3)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(3)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Junior ADU allowed

    Allowed

    JADUs are authorized on qualifying single-family residential lots with a proposed or existing single-family residence.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Whether a junior ADU is permitted.

    When this applies

    Applies when all of the following are true:

    • Property primary structure type is Single family

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66333

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66333
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Maximum detached ADUs allowed

    • Up to 2 count

      Up to two detached ADUs are allowed with a multifamily residential building.

      • Set by: Los Angeles County standard
      • Note: Conditions apply
    • Up to 1 count

      One detached ADU is allowed on a lot with one proposed or existing single-family residence.

      • Set by: Los Angeles County standard
      • Note: Conditions apply
    • Up to 2 count

      A lot with a proposed multifamily dwelling may have up to two detached ADUs.

      • Set by: Statewide standard
      • In force from: Effective
      • Note: Conditions apply
    • Up to 8 count

      An existing multifamily lot may have up to eight detached ADUs, but no more than its existing dwelling-unit count.

      • Set by: Statewide standard
      • In force from: Effective
      • Note: Conditions apply
    • Up to 1 count

      One detached new-construction ADU is ministerially allowed on a qualifying single-family lot.

      • Set by: Statewide standard
      • In force from: Effective
      • Note: Conditions apply

    Where a topic is recorded at more than one level, both entries are shown with the authority that set them. Which one governs a particular property is a question for the responsible planning agency.

    Explanation — Los Angeles County standard

    Greatest number of detached ADUs permitted on the property.

    When this applies

    Applies when all of the following are true:

    • Property primary structure type is Multifamily

    Part of Los Angeles County Local Rules, published by Los Angeles County.

    Explanation — Los Angeles County standard

    Greatest number of detached ADUs permitted on the property.

    When this applies

    Applies when all of the following are true:

    • Property primary structure type is Single family

    Part of Los Angeles County Local Rules, published by Los Angeles County.

    Explanation — Statewide standard

    Greatest number of detached ADUs permitted on the property.

    When this applies

    Applies when all of the following are true:

    • Property primary structure type is Multifamily

    • Property has existing primary dwelling is no

    Part of Statewide, published by California.

    Explanation — Statewide standard

    Greatest number of detached ADUs permitted on the property.

    When this applies

    Applies when all of the following are true:

    • Property primary structure type is Multifamily

    • Property has existing primary dwelling is yes

    Part of Statewide, published by California.

    Explanation — Statewide standard

    Greatest number of detached ADUs permitted on the property.

    When this applies

    Applies when all of the following are true:

    • Property primary structure type is Single family

    Part of Statewide, published by California.

    Source — Los Angeles County standard
    • Los Angeles County Ordinance No. 2025-0029, § Table 22.140.640-A, p. 10

      Source document
      Los Angeles County Ordinance No. 2025-0029
      Publisher
      Los Angeles County
      Document type
      Ordinance
      Source type
      Binding law
      Section
      Table 22.140.640-A, p. 10
      Source checked
      August 24, 2026
      Open official source (opens in a new tab)
    Source — Los Angeles County standard
    • Los Angeles County Ordinance No. 2025-0029, § Table 22.140.640-A, p. 10

      Source document
      Los Angeles County Ordinance No. 2025-0029
      Publisher
      Los Angeles County
      Document type
      Ordinance
      Source type
      Binding law
      Section
      Table 22.140.640-A, p. 10
      Source checked
      August 24, 2026
      Open official source (opens in a new tab)
    Source — Statewide standard
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66323(a)(4)(A)(iii)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66323(a)(4)(A)(iii)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
    Source — Statewide standard
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66323(a)(4)(A)(ii)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66323(a)(4)(A)(ii)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
    Source — Statewide standard
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66323(a)(2)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66323(a)(2)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Maximum junior ADUs allowed

    Up to 1 count

    One JADU is allowed per qualifying single-family residential lot.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Greatest number of junior ADUs permitted on the property.

    When this applies

    Applies when all of the following are true:

    • Property primary structure type is Single family

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66333(a)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66333(a)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)

Property and zoning eligibility

Which lots, zones and existing homes qualify.3 rules · Statewide standard · Effective
  • ADU allowed on this property

    Allowed

    ADUs are authorized on lots with a proposed or existing primary residence in qualifying residential or mixed-use areas.

    • Note: Conditions apply
    Explanation

    Whether an ADU may be built on the property at all, before any other standard applies.

    When this applies

    Applies when all of the following are true:

    • Property primary structure type is one of Single family, Multifamily, Mixed use

    Part of Statewide, published by California.

    Sources (2)
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66313(a)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66313(a)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(2)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(2)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • ADU allowed in this zone

    Allowed

    An ADU is a residential use consistent with the lot's existing general-plan and zoning designations where the lot allows single-family or multifamily residential use.

    Explanation

    Whether the zoning district permits ADUs.

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(c)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(c)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Existing primary dwelling required

    Not required

    A primary dwelling may be proposed rather than already built.

    • Note: Conditions apply
    Explanation

    Whether a primary dwelling must already exist, or be built concurrently, before an ADU is permitted.

    When this applies

    Applies when all of the following are true:

    • Application includes proposed primary dwelling is yes

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(2)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(2)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)

Size and floor area

Floor-area limits and overall dimensions.5 rules
  • Maximum ADU size

    Up to 1,200 sqft

    A detached ADU may not exceed 1,200 square feet under the statewide baseline.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Greatest permitted floor area of the ADU.

    When this applies

    Applies when all of the following are true:

    • Project unit type is Detached adu

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(5)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(5)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Guaranteed minimum size

    • At least 150 sqft

      An ADU must contain at least 150 square feet of floor area.

      • Set by: Los Angeles County standard
    • At least 800 sqft

      Local size and related development standards must allow at least an 800-square-foot ADU with four-foot side and rear setbacks.

      • Set by: Statewide standard
      • In force from: Effective

    Where a topic is recorded at more than one level, both entries are shown with the authority that set them. Which one governs a particular property is a question for the responsible planning agency.

    Explanation — Los Angeles County standard

    Floor area that must be permitted regardless of other size limits.

    Part of Los Angeles County Local Rules, published by Los Angeles County.

    Explanation — Statewide standard

    Floor area that must be permitted regardless of other size limits.

    Part of Statewide, published by California.

    Source — Los Angeles County standard
    • Los Angeles County Ordinance No. 2025-0029, § § 22.140.640.G.1.a.i, p. 11

      Source document
      Los Angeles County Ordinance No. 2025-0029
      Publisher
      Los Angeles County
      Document type
      Ordinance
      Source type
      Binding law
      Section
      § 22.140.640.G.1.a.i, p. 11
      Source checked
      August 24, 2026
      Open official source (opens in a new tab)
    Source — Statewide standard
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66321(b)(3)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66321(b)(3)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Maximum size as a share of the primary dwelling

    Up to 50 percent

    An attached ADU on a lot with an existing primary dwelling may not exceed half of the primary dwelling's floor area.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Greatest permitted ADU floor area expressed as a percentage of the primary dwelling.

    When this applies

    Applies when all of the following are true:

    • Project unit type is Attached adu

    • Property has existing primary dwelling is yes

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(4)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(4)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Size threshold for additional bedrooms

    At least 1,000 sqft

    A local maximum size rule may not be lower than 1,000 square feet for an ADU with more than one bedroom.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Floor area at which a different bedroom limit or size allowance takes effect.

    When this applies

    Applies when all of the following are true:

    • Project bedrooms is more than 1

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66321(b)(2)(B)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66321(b)(2)(B)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)

Height and stories

How tall an ADU may be, and how many storeys.7 rules
  • Maximum height

    • Up to 16 ft

      A detached ADU on a lot containing existing multifamily dwelling structures is limited to 16 feet under the general County standard.

      • Set by: Los Angeles County standard
      • Note: Conditions apply
    • Up to 25 ft

      The general County height limit is 25 feet, subject to applicable plan-area, community-standards-district, specific-plan, scenic-resource, and State-exempt standards.

      • Set by: Los Angeles County standard
      • Note: Conditions apply
    • Up to 25 ft

      An attached ADU must be allowed up to 25 feet or the primary dwelling's applicable zoning height, whichever is lower; it need not exceed two stories.

      • Set by: Statewide standard
      • In force from: Effective
      • Note: Conditions apply
    • Up to 16 ft

      A local height limit must allow at least 16 feet for a detached ADU, subject to more favorable transit and multifamily rules.

      • Set by: Statewide standard
      • In force from: Effective
      • Note: Conditions apply

    Where a topic is recorded at more than one level, both entries are shown with the authority that set them. Which one governs a particular property is a question for the responsible planning agency.

    Explanation — Los Angeles County standard

    Greatest permitted height of the ADU.

    When this applies

    Applies when all of the following are true:

    • Project unit type is Detached adu

    • Property primary structure type is Multifamily

    • Property has existing primary dwelling is yes

    Part of Los Angeles County Local Rules, published by Los Angeles County.

    Explanation — Los Angeles County standard

    Greatest permitted height of the ADU.

    When this applies

    Applies when all of the following are true:

    • Project unit type is one of Attached adu, Detached adu

    • Property primary structure type is not Multifamily

    Part of Los Angeles County Local Rules, published by Los Angeles County.

    Explanation — Statewide standard

    Greatest permitted height of the ADU.

    When this applies

    Applies when all of the following are true:

    • Project unit type is Attached adu

    Part of Statewide, published by California.

    Explanation — Statewide standard

    Greatest permitted height of the ADU.

    When this applies

    Applies when all of the following are true:

    • Project unit type is Detached adu

    Part of Statewide, published by California.

    Source — Los Angeles County standard
    • Los Angeles County Ordinance No. 2025-0029, § § 22.140.640.G.1.b.ii, p. 12

      Source document
      Los Angeles County Ordinance No. 2025-0029
      Publisher
      Los Angeles County
      Document type
      Ordinance
      Source type
      Binding law
      Section
      § 22.140.640.G.1.b.ii, p. 12
      Source checked
      August 24, 2026
      Open official source (opens in a new tab)
    Source — Los Angeles County standard
    • Los Angeles County Ordinance No. 2025-0029, § § 22.140.640.G.1.b.i, p. 12

      Source document
      Los Angeles County Ordinance No. 2025-0029
      Publisher
      Los Angeles County
      Document type
      Ordinance
      Source type
      Binding law
      Section
      § 22.140.640.G.1.b.i, p. 12
      Source checked
      August 24, 2026
      Open official source (opens in a new tab)
    Source — Statewide standard
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66321(b)(4)(D)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66321(b)(4)(D)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
    Source — Statewide standard
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66321(b)(4)(A)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66321(b)(4)(A)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Additional height allowed for roof pitch

    2 ft

    A detached ADU receives two additional feet where needed for a roof pitch aligned with the primary dwelling.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Extra height permitted to accommodate a pitched roof.

    When this applies

    Applies when all of the following are true:

    • Project unit type is Detached adu

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66321(b)(4)(B)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66321(b)(4)(B)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Maximum height near transit

    Up to 18 ft

    A detached ADU within one-half mile walking distance of qualifying transit must be allowed to reach 18 feet, plus applicable roof-pitch height.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Greatest permitted height where the property is within a qualifying distance of transit.

    When this applies

    Applies when all of the following are true:

    • Project unit type is Detached adu

    • Property distance to transit ft is at most 2640

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66321(b)(4)(B)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66321(b)(4)(B)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Maximum height on multifamily property

    Up to 18 ft

    A detached ADU on a lot with an existing or proposed multistory multifamily dwelling must be allowed to reach 18 feet.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Greatest permitted height where the ADU is on a multifamily property.

    When this applies

    Applies when all of the following are true:

    • Property primary structure type is Multifamily

    • Project unit type is Detached adu

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66321(b)(4)(C)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66321(b)(4)(C)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)

Setbacks and placement

Distance from property lines and from other buildings.3 rules · Statewide standard · Effective
  • Minimum side setback

    At least 4 ft

    A local side setback may be no more than four feet for a new ADU not converted from an existing structure.

    • Note: Conditions apply
    Explanation

    Least permitted distance from a side property line.

    When this applies

    Applies when all of the following are true:

    • Project construction type is one of Detached new, Attached new, Addition

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(7)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(7)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Minimum rear setback

    At least 4 ft

    A local rear setback may be no more than four feet for a new ADU not converted from an existing structure.

    • Note: Conditions apply
    Explanation

    Least permitted distance from the rear property line.

    When this applies

    Applies when all of the following are true:

    • Project construction type is one of Detached new, Attached new, Addition

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(7)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(7)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Existing structure setback exception

    Yes

    No setback is required for an existing structure converted in place to an ADU.

    • Note: Conditions apply
    Explanation

    Whether an existing structure converted to an ADU may keep its current setbacks.

    When this applies

    Applies when all of the following are true:

    • Project construction type is one of Interior conversion, Accessory structure conversion, Garage conversion

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(7)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(7)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)

Parking

When parking has to be provided, and when it is excused.9 rules
  • Parking spaces required

    • 0 spaces

      No ADU parking is required outside a Very High Fire Hazard Severity Zone.

      • Set by: Los Angeles County standard
      • Note: Conditions apply
    • 0 spaces

      No additional parking may be required for a JADU.

      • Set by: Statewide standard
      • In force from: Effective
      • Note: Conditions apply
    • Up to 1 spaces

      ADU parking may not exceed one space per ADU or per bedroom, whichever is less; JADUs may not require additional parking.

      • Set by: Statewide standard
      • In force from: Effective
      • Note: Conditions apply

    Where a topic is recorded at more than one level, both entries are shown with the authority that set them. Which one governs a particular property is a question for the responsible planning agency.

    Explanation — Los Angeles County standard

    Off-street parking spaces required for the ADU.

    When this applies

    Applies when all of the following are true:

    • Property fire hazard status is not Very high

    Part of Los Angeles County Local Rules, published by Los Angeles County.

    Explanation — Statewide standard

    Off-street parking spaces required for the ADU.

    When this applies

    Applies when all of the following are true:

    • Application type is Jadu

    Part of Statewide, published by California.

    Explanation — Statewide standard

    Off-street parking spaces required for the ADU.

    When this applies

    Applies when all of the following are true:

    • Application type is one of Adu, Adu and jadu

    Part of Statewide, published by California.

    Source — Los Angeles County standard
    • Los Angeles County Ordinance No. 2025-0029, § § 22.140.640.G.1.d.i, p. 16

      Source document
      Los Angeles County Ordinance No. 2025-0029
      Publisher
      Los Angeles County
      Document type
      Ordinance
      Source type
      Binding law
      Section
      § 22.140.640.G.1.d.i, p. 16
      Source checked
      August 24, 2026
      Open official source (opens in a new tab)
    Source — Statewide standard
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66334(a)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66334(a)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
    Source — Statewide standard
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(10)(A)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(10)(A)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Replacement parking required

    Not required

    Parking removed or converted for an ADU does not have to be replaced.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Whether parking removed to build the ADU must be replaced.

    When this applies

    Applies when all of the following are true:

    • Project parking removed is yes

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(11)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(11)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Parking exemption near transit

    Yes

    No ADU parking standard may be imposed within one-half mile walking distance of public transit.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Whether proximity to transit exempts the ADU from parking requirements.

    When this applies

    Applies when all of the following are true:

    • Property distance to transit ft is at most 2640

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66322(a)(1)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66322(a)(1)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Parking exemption in a historic district

    Yes

    No ADU parking standard may be imposed in an architecturally and historically significant historic district.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Whether location in a historic district exempts the ADU from parking requirements.

    When this applies

    Applies when all of the following are true:

    • Property overlays includes Historic district

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66322(a)(2)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66322(a)(2)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Parking exemption near car share

    Yes

    No parking is required where a car-share vehicle location is within one block of the ADU.

    • Set by: Los Angeles County standard
    Explanation

    Whether proximity to a car share vehicle exempts the ADU from parking requirements.

    Part of Los Angeles County Local Rules, published by Los Angeles County.

    Source
    • Los Angeles County Ordinance No. 2025-0029, § § 22.140.640.G.1.d.ii, p. 17

      Source document
      Los Angeles County Ordinance No. 2025-0029
      Publisher
      Los Angeles County
      Document type
      Ordinance
      Source type
      Binding law
      Section
      § 22.140.640.G.1.d.ii, p. 17
      Source checked
      August 24, 2026
      Open official source (opens in a new tab)
  • Parking exemption where on-street permits are required

    Yes

    No parking is required where on-street permits are required but are not offered to the ADU occupant.

    • Set by: Los Angeles County standard
    Explanation

    Whether an on-street permit area exempts the ADU from parking requirements.

    Part of Los Angeles County Local Rules, published by Los Angeles County.

    Source
    • Los Angeles County Ordinance No. 2025-0029, § § 22.140.640.G.1.d.ii, p. 17

      Source document
      Los Angeles County Ordinance No. 2025-0029
      Publisher
      Los Angeles County
      Document type
      Ordinance
      Source type
      Binding law
      Section
      § 22.140.640.G.1.d.ii, p. 17
      Source checked
      August 24, 2026
      Open official source (opens in a new tab)
  • Parking location restrictions

    When required, parking may be located on a driveway or an area previously used as a driveway to a demolished or converted garage/carport, and may be tandem parking.

    Required parking may be driveway or tandem parking in specified circumstances.

    • Set by: Los Angeles County standard
    Explanation

    Where required parking may or may not be placed, as stated by the source.

    Part of Los Angeles County Local Rules, published by Los Angeles County.

    Source
    • Los Angeles County Ordinance No. 2025-0029, § § 22.140.640.G.1.d.iv, p. 18

      Source document
      Los Angeles County Ordinance No. 2025-0029
      Publisher
      Los Angeles County
      Document type
      Ordinance
      Source type
      Binding law
      Section
      § 22.140.640.G.1.d.iv, p. 18
      Source checked
      August 24, 2026
      Open official source (opens in a new tab)

Design requirements

Site and design standards an ADU has to meet.1 rule · Statewide standard · Effective
  • Passageway required

    Not required

    A pedestrian passageway may not be required for an ADU.

    Explanation

    Whether a pedestrian passageway to the ADU is required.

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(6)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(6)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)

Fire and life safety

Sprinklers, access and other safety requirements.3 rules
  • Fire sprinklers required

    Not required

    Sprinklers cannot be required in an ADU or JADU if they are not required for the primary residence.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Whether fire sprinklers are required in the ADU.

    When this applies

    Applies when all of the following are true:

    • Property has sprinklers is no

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66323(d)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66323(d)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Fire access required

    Required

    County fire-access standards apply to ADUs.

    • Set by: Los Angeles County standard
    Explanation

    Whether specific fire apparatus access or pathway standards apply.

    Part of Los Angeles County Local Rules, published by Los Angeles County.

    Source
    • Los Angeles County Building and Safety ADU and JADU Guidelines, § Fire Department Requirements, p. 2

      Source document
      Los Angeles County Building and Safety ADU and JADU Guidelines
      Publisher
      Los Angeles County
      Document type
      Ordinance
      Source type
      Official guidance
      Section
      Fire Department Requirements, p. 2
      Source checked
      August 24, 2026
      Open official source (opens in a new tab)
  • Separate address required

    Not required

    A JADU is not issued a separate address.

    • Set by: Los Angeles County standard
    • Note: Conditions apply
    Explanation

    Whether the ADU must be assigned its own street address.

    When this applies

    Applies when all of the following are true:

    • Project unit type is Jadu

    Part of Los Angeles County Local Rules, published by Los Angeles County.

    Source
    • Los Angeles County Building and Safety ADU and JADU Guidelines, § Electrical Requirements FAQ, p. 8

      Source document
      Los Angeles County Building and Safety ADU and JADU Guidelines
      Publisher
      Los Angeles County
      Document type
      Ordinance
      Source type
      Official guidance
      Section
      Electrical Requirements FAQ, p. 8
      Source checked
      August 24, 2026
      Open official source (opens in a new tab)

Utilities and impact fees

Connections, meters and the charges that come with them.7 rules · Statewide standard · Effective
  • Separate utility meter required

    Not required

    For qualifying conversion ADUs and JADUs, a new or separate direct utility connection may not be required except with a new single-family dwelling or separate conveyance.

    • Note: Conditions apply
    Explanation

    Whether the ADU must have its own utility meter.

    When this applies

    Applies when all of the following are true:

    • Project construction type is one of Interior conversion, Accessory structure conversion, Garage conversion

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66311.5(d)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66311.5(d)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • New utility connection required

    Not required

    Qualifying conversion ADUs and JADUs cannot be required to install a new direct utility connection, subject to statutory exceptions.

    • Note: Conditions apply
    Explanation

    Whether a new utility connection, rather than a shared one, is required.

    When this applies

    Applies when all of the following are true:

    • Project construction type is one of Interior conversion, Accessory structure conversion, Garage conversion

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66311.5(d)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66311.5(d)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Connection fee charged

    Not required

    A related connection fee or capacity charge cannot be imposed on qualifying conversion ADUs and JADUs, subject to statutory exceptions.

    • Note: Conditions apply
    Explanation

    Whether a utility connection fee or capacity charge applies.

    When this applies

    Applies when all of the following are true:

    • Project construction type is one of Interior conversion, Accessory structure conversion, Garage conversion

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66311.5(d)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66311.5(d)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Septic review required

    Required

    Where a private sewage-disposal system is used, local-health-officer approval may be required.

    • Note: Conditions apply
    Explanation

    Whether septic system review or approval is required.

    When this applies

    Applies when all of the following are true:

    • Property sewer type is Septic

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(9)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(9)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Exempt from impact fees

    Yes

    A JADU of 500 square feet or less is exempt from impact fees.

    • Note: Conditions apply
    Explanation

    Whether the ADU is exempt from development impact fees.

    When this applies

    Applies when all of the following are true:

    • Project unit type is Jadu

    • Project proposed size sqft is at most 500

    Part of Statewide, published by California.

    Explanation

    Whether the ADU is exempt from development impact fees.

    When this applies

    Applies when all of the following are true:

    • Project unit type is one of Detached adu, Attached adu, Conversion adu

    • Project proposed size sqft is at most 750

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66311.5(c)(1)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66311.5(c)(1)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66311.5(c)(1)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66311.5(c)(1)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • School fees apply

    No

    An ADU or JADU under 500 square feet is treated as construction that does not increase assessable space by 500 square feet for school-fee purposes.

    • Note: Conditions apply
    Explanation

    Whether school district fees apply to the ADU.

    When this applies

    Applies when all of the following are true:

    • Project proposed size sqft is less than 500

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66311.5(c)(3)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66311.5(c)(3)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)

Permits and review

How an application is reviewed, and the routes available.10 rules
  • Maximum period to determine application completeness

    Up to 15 days

    The permitting agency must provide written completeness notice within 15 business days.

    • Set by: Statewide standard
    • In force from: Effective
    Explanation

    Longest period the agency may take to determine whether a submitted application is complete.

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code §§ 66317(a)(2)(A), 66335(a)(2)(A)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code §§ 66317(a)(2)(A), 66335(a)(2)(A)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Maximum period to decide a completed application

    Up to 60 days

    A completed ADU or JADU application on a lot with an existing qualifying dwelling must be approved or denied within 60 days; applicant-requested delay tolls the period.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Longest period the agency may take to approve or deny a completed application. Frequently scoped to lots with an existing dwelling; that condition belongs in the claim's applicability, not in this description.

    When this applies

    Applies when all of the following are true:

    • Property has existing primary dwelling is yes

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code §§ 66317(a)(3), 66335(a)(3)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code §§ 66317(a)(3), 66335(a)(3)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Maximum period to review a resubmitted application

    Up to 15 days

    A resubmission addressing listed completeness items is subject to the same 15-business-day completeness timeline.

    • Set by: Statewide standard
    • In force from: Effective
    Explanation

    Longest period the agency may take to review an application resubmitted after a completeness or correction letter.

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code §§ 66317(a)(2)(E), 66335(a)(2)(E)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code §§ 66317(a)(2)(E), 66335(a)(2)(E)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Maximum period to determine an appeal

    Up to 60 days

    A final written determination on an ADU or JADU appeal is due within 60 business days after receipt of the written appeal.

    • Set by: Statewide standard
    • In force from: Effective
    Explanation

    Longest period the agency may take to issue a final written determination on a written appeal.

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code §§ 66317(d)(2), 66335(e)(2)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code §§ 66317(d)(2), 66335(e)(2)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Maximum period to respond to a state housing agency

    Up to 30 days

    A local agency has no more than 30 days to respond to HCD findings on a noncompliant ADU or JADU ordinance.

    • Set by: Statewide standard
    • In force from: Effective
    Explanation

    Longest period the jurisdiction may take to respond to a state housing agency letter or finding. A duty owed to the agency, not to an applicant.

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code §§ 66326(b)(1), 66333.5(b)(1)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code §§ 66326(b)(1), 66333.5(b)(1)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Maximum period to act on a coastal development permit

    Up to 60 days

    A completed coastal development permit application for an ADU must be approved or denied within 60 days, subject to the concurrent-primary-dwelling exception.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Longest period the agency may take to act on a coastal development permit application. Separate from the underlying ADU application timeline.

    When this applies

    Applies when all of the following are true:

    • Property overlays includes Coastal overlay

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66329(a)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66329(a)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Ministerial review available

    Yes

    ADU and JADU permits are reviewed ministerially without discretionary review or hearings.

    • Set by: Statewide standard
    • In force from: Effective
    Explanation

    Whether the application is reviewed ministerially, without discretionary hearings.

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code §§ 66317(a)(1), 66335(a)(1)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code §§ 66317(a)(1), 66335(a)(1)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Demolition delay applies

    No

    For a detached garage replaced by an ADU, written notice or placarding for demolition cannot be required outside an architecturally and historically significant historic district.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Whether a demolition permit review or delay applies to the project.

    When this applies

    Applies when all of the following are true:

    • Property overlays does not include Historic district

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(f)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(f)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Legalization of unpermitted ADUs available

    Yes

    An unpermitted ADU or JADU built before January 1, 2020 has a statewide permit pathway, subject to health-and-safety exceptions.

    • Set by: Statewide standard
    • In force from: Effective
    • Note: Conditions apply
    Explanation

    Whether an existing unpermitted ADU can be brought into compliance under a legalization pathway.

    When this applies

    Applies when all of the following are true:

    • Project construction type is Legalization

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66311.7(a)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66311.7(a)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Historic review required

    Not required

    A County certificate of appropriateness is not required for construction of an ADU under the ADU ordinance.

    • Set by: Los Angeles County standard
    • Note: Conditions apply
    Explanation

    Whether historic or design review is required.

    When this applies

    Applies when all of the following are true:

    • Property historic status is one of Local, State, National, Contributing

    Part of Los Angeles County Local Rules, published by Los Angeles County.

    Source
    • Los Angeles County Ordinance No. 2025-0029, § § 22.124.140.B.5, p. 5

      Source document
      Los Angeles County Ordinance No. 2025-0029
      Publisher
      Los Angeles County
      Document type
      Ordinance
      Source type
      Binding law
      Section
      § 22.124.140.B.5, p. 5
      Source checked
      August 24, 2026
      Open official source (opens in a new tab)

Occupancy and rentals

Who may live in an ADU, and how it may be rented or sold.4 rules · Statewide standard · Effective
  • Minimum rental term

    At least 31 days

    ADU and JADU rentals must be for terms longer than 30 days.

    Explanation

    Shortest rental term permitted for the ADU.

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66333(g)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66333(g)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Short-term rental allowed

    Not allowed

    Rentals of 30 days or fewer are not allowed under the statewide ADU/JADU rules.

    Explanation

    Whether the ADU may be used as a short-term rental.

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code §§ 66315, 66333(g)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code §§ 66315, 66333(g)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Separate sale allowed

    Not allowed

    An ADU or JADU generally may not be sold separately from the primary residence, subject to a statutory separate-conveyance exception not captured by this broad rule.

    • Note: Conditions apply
    Explanation

    Whether the ADU may be sold separately from the primary dwelling.

    When this applies

    Applies when all of the following are true:

    • Project separate sale intended is yes

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66314(d)(1)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66314(d)(1)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)
  • Deed restriction required

    Required

    A JADU requires a recorded deed restriction.

    • Note: Conditions apply
    Explanation

    Whether a recorded deed restriction or covenant is required.

    When this applies

    Applies when all of the following are true:

    • Application type is one of Jadu, Adu and jadu

    Part of Statewide, published by California.

    Source
    • California Government Code, Title 7, Division 1, Chapter 13, § Gov. Code § 66333(c)

      Source document
      California Government Code, Title 7, Division 1, Chapter 13
      Publisher
      California
      Document type
      ADU webpage
      Source type
      Binding law
      Section
      Gov. Code § 66333(c)
      Source checked
      August 23, 2026
      Open official source (opens in a new tab)

Who to contact in Los Angeles County

These agencies decide what is permitted here. Contacting them does not guarantee approval, but they can confirm what applies to a specific parcel.

Sources

The rules above were recorded from these official documents. Each opens on the publisher's own site.

ADUDesk summarises recorded rules for informational purposes and may not include every requirement. Confirm current requirements with the responsible planning agency before making design, purchase, or permit decisions.

About this information

Rules are recorded from official sources and each one links to the document it came from. A source check confirms the document was retrieved and read; it is not a legal review, and the record may not cover every requirement that applies to a property or project.

Report as of
The date the rules on this page were resolved for.
Jurisdiction record reviewed
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Statewide

Published by California

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Published
Statewide rules reviewed
A staff check of this rule set against its sources.

What changed in this version: Initial

Los Angeles County Local Rules

Published by Los Angeles County

Rule-set effective from
Published
Local rules reviewed
A staff check of this rule set against its sources.

What changed in this version: Created from V2 research draft #5 (run #21).

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